Refactoring some loops to fast enumeration.
Fix macro to work correctly under 10.7 SDK / iOS 4 SDK
Use Apple's recommended style, and fix so it works under 10.7 or pre-5.0
Removed all @discussion tags, since they are not supported.
Fixing AFImageRequestOperation to use [self alloc] instead of explicit class in class method in order to preserve behavior in subclasses

Signed-off-by: Mattt Thompson <m@mattt.me>
Merge pull request #893 from mtitolo/master

Removed @discussion tags from docs
Merge pull request #890 from noa--/lion_fix

Fix macro to work correctly under 10.7 SDK / iOS 4 SDK
Merge branch 'master' of github.com:AFNetworking/AFNetworking
Set AFNetworking thread name

Signed-off-by: Mattt Thompson <m@mattt.me>
Merge pull request #879 from OliverLetterer/loops-loops-loops

Refactoring some loops to fast enumeration.